Question

2/3 +  7/5 - 3/5 = .........

13/6 + 5/3 - 2 = .........

Cả lời giả chi tiết nhé ! Mình cảm ơn ạ

 

Answer 1

= 10/15+21/15- 9/15 

= 31/15 - 9/15

=22/15

Answer 2

\(\dfrac{2}{3}+\dfrac{7}{5}-\dfrac{3}{5}=\dfrac{2}{3}+\dfrac{7-3}{5}=\dfrac{2}{3}+\dfrac{4}{5}=\dfrac{10+12}{15}=\dfrac{22}{15}\)

\(\dfrac{13}{6}+\dfrac{5}{3}-2=\dfrac{13+10}{6}-2=\dfrac{23}{6}-2=\dfrac{23-12}{6}=\dfrac{11}{6}\)